Add json_boolean_value as alias for json_is_true

Fixes #146.

3 files changed, 8 insertions, 0 deletions

diff --git a/doc/apiref.rst b/doc/apiref.rst
index 13b7901..717e140 100644
--- a/doc/apiref.rst
+++ b/doc/apiref.rst
@@ -150,6 +150,11 @@ functions:
    Returns true for types ``JSON_TRUE`` and ``JSON_FALSE``, and false
    for values of other types and for *NULL*.
 
+.. function:: json_boolean_value(const json_t *json)
+
+   Alias of :func:`json_is_true()`, i.e. returns 1 for ``JSON_TRUE``
+   and 0 otherwise.
+
 
 .. _apiref-reference-count:
 
diff --git a/src/jansson.h b/src/jansson.h
index 27c0c74..c497598 100644
--- a/src/jansson.h
+++ b/src/jansson.h
@@ -75,6 +75,7 @@ typedef long json_int_t;
 #define json_is_number(json)   (json_is_integer(json) || json_is_real(json))
 #define json_is_true(json)     ((json) && json_typeof(json) == JSON_TRUE)
 #define json_is_false(json)    ((json) && json_typeof(json) == JSON_FALSE)
+#define json_boolean_value     json_is_true
 #define json_is_boolean(json)  (json_is_true(json) || json_is_false(json))
 #define json_is_null(json)     ((json) && json_typeof(json) == JSON_NULL)
 
diff --git a/test/suites/api/test_simple.c b/test/suites/api/test_simple.c
index ca97a7d..7eed591 100644
--- a/test/suites/api/test_simple.c
+++ b/test/suites/api/test_simple.c
@@ -27,6 +27,8 @@ static void run_tests()
     value = json_boolean(0);
     if(!json_is_false(value))
         fail("json_boolean(0) failed");
+    if(json_boolean_value(value) != 0)
+        fail("json_boolean_value failed");
     json_decref(value);